CVE-2018-25146

HIGH

Microhard Systems IPn4G 1.1.0 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25146. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit demonstrates a DoS vulnerability in Microhard Systems' cellular gateways by sending arbitrary signals to processes via an undocumented CGI endpoint. It requires authentication and can be triggered via CSRF.

Description

Microhard Systems IPn4G 1.1.0 contains an undocumented vulnerability that allows authenticated attackers to list and manipulate running system processes. Attackers can send arbitrary signals to kill background processes and system services through a hidden feature, potentially causing service disruption and requiring device restart.

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · textdoshardware
https://www.exploit-db.com/exploits/45035

This exploit demonstrates a DoS vulnerability in Microhard Systems' cellular gateways by sending arbitrary signals to processes via an undocumented CGI endpoint. It requires authentication and can be triggered via CSRF.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microhard Systems IPn4G, IPn3Gb, VIP4Gb, Bullet-3G, Dragon-LTE (multiple versions)
Auth required
Prerequisites: Authenticated access to the device's web interface · Network access to the target device
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory third-party-advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5481.php

Scores

CVSS v3 8.1
EPSS 0.0041
EPSS Percentile 32.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (12)
microhardcorp/bullet-3g_firmware 1.2.0 reva_build1032 (2 CPE variants)
microhardcorp/bullet-lte_firmware 1.2.0 build1078
microhardcorp/bulletplus_firmware 1.3.0 build1036
microhardcorp/dragon-lte_firmware 1.1.0 build1036
microhardcorp/ipn3gb_firmware 2.2.0 build2160
microhardcorp/ipn3gii_firmware 1.2.0 build1076
microhardcorp/ipn4g_firmware 1.1.0 build1098
microhardcorp/ipn4gb_firmware 1.1.6 build1184-14
microhardcorp/ipn4gb_firmware 1.1.0 rev2_build1090-2 (2 CPE variants)
microhardcorp/ipn4gii_firmware 1.2.0 build1078
... and 2 more
Published Dec 24, 2025
Tracked Since Feb 18, 2026